CN113501635A - Environment-friendly dredging and curing modification integrated equipment for dredged sediment - Google Patents
Environment-friendly dredging and curing modification integrated equipment for dredged sediment Download PDFInfo
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- CN113501635A CN113501635A CN202110835718.2A CN202110835718A CN113501635A CN 113501635 A CN113501635 A CN 113501635A CN 202110835718 A CN202110835718 A CN 202110835718A CN 113501635 A CN113501635 A CN 113501635A
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- 238000006297 dehydration reaction Methods 0.000 claims abstract description 54
- 238000007711 solidification Methods 0.000 claims abstract description 19
- 230000008023 solidification Effects 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
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- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims description 6
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
- E02F7/023—Conveying equipment mounted on a dredger mounted on a floating dredger
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
- E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of dredged sediment, and discloses environment-friendly dredged sediment and solidification modification integrated equipment for dredged sediment, which comprises a sand-water separator, wherein a cutter suction type dredging ship realizes sediment dredging under the condition of not constructing a cofferdam, avoids the disturbance of the traditional water conservancy dredging to natural water bodies, limits the release of pollutants in the sediment to non-flowing water bodies, the comprehensive improvement of the water environment quality is realized to the maximum extent through the heterotopic disposal of pollutants in the water sediments, the dredged sediment solidification modification treatment and resource utilization process flow firstly completes the impurity separation in the sediment through a vibrating screen so as to protect the subsequent treatment equipment, and secondly, adding an organic conditioner to improve the water holding performance of the bottom sludge, realizing the concentration reduction and the enhancement of the water holding performance of the bottom sludge, finally adding a dehydration curing agent into the concentrated bottom sludge, dehydrating and drying the concentrated bottom sludge by using mechanical filter pressing equipment, and transporting the dried sludge cake outside for resource utilization.
Description
Technical Field
The invention relates to the technical field of dredged sediment, in particular to environment-friendly dredged sediment and curing modification integrated equipment.
Background
The water flows received by the urban river channel comprise urban surface runoff, domestic sewage and industrial wastewater, granular substances and soluble substances carried in the water flows can be settled under certain hydraulic conditions and chemical and biological effects and are converted into water body sediments, and in the process of forming the water body sediments, through a series of physical and chemical actions such as adsorption, complexation, chemical reaction and the like, pollutants such as heavy metals, POPs and the like entering the water body are gathered, when the environmental conditions of the interface of the water and the sediment are changed, such as pH change, oxidation-reduction potential change, hydraulic disturbance and the like, the pollutants enriched in the sediment can be released again to become the endogenous pollution of the water environment, serious threat is caused to the ecological environment of the water body and the smoothness of water flow, and river channel and lake dredging becomes an indispensable important link in the comprehensive treatment of the water environment.
The water content of the dredged sediment is generally higher than 90%, the dredged sediment has extremely strong fluidity and poor mechanical property and is difficult to meet the related requirements of building material utilization, the sediment particles are uniformly dispersed in water, and almost no mechanical force action exists between the sediment particles, so the dredged sediment has low shear strength and is very difficult to transport and subsequently utilize, the heavy metal content of the sediment is far higher than the environmental background value, the high leaching toxicity can cause serious pollution risks to underground water and soil, the application range of sediment resource products is limited, the large-scale safe treatment and resource utilization of the sediment are extremely adversely affected, the organic matter content of the sediment is far lower than that of residual sludge of a sewage plant, the water holding capacity of the sediment is poor, the permeability coefficient is too high, and the sediment has a low plasticity index and is difficult to meet the related index requirements of soil for geotechnical engineering.
Aiming at the problems, the prior device is improved, and the environment-friendly dredged sediment and curing modification integrated equipment is provided.
Disclosure of Invention
The invention aims to provide environment-friendly dredging and solidification modification integrated equipment for dredging sediment, the cutter suction type dredging ship realizes sediment dredging under the condition of not constructing a cofferdam, avoids the disturbance of the traditional water conservancy dredging to natural water bodies, limits the release of pollutants in the sediment to non-flowing water bodies, the comprehensive improvement of the water environment quality is realized to the maximum extent through the heterotopic disposal of pollutants in the water sediments, the dredged sediment solidification modification treatment and resource utilization process flow firstly completes the impurity separation in the sediment through a vibrating screen so as to protect the subsequent treatment equipment, secondly, adding an organic conditioner to improve the water holding performance of the bottom sludge, realizing the concentration reduction and the enhancement of the water holding performance of the bottom sludge, finally adding a dehydration curing agent into the concentrated bottom sludge, dehydrating and drying the concentrated bottom sludge by a mechanical filter pressing device, transporting the dried sludge cake outside for resource utilization, and solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: dredged sediment environmental protection dredging and solidification modification integration equipment, including sand water separator, sand water separator's upper end is provided with feed inlet A, feed inlet A external cutter suction type suction dredge, discharge gate A is installed to sand water separator's the outside, and be connected with the rubbish separating centrifuge through discharge gate A, the other end of rubbish separating centrifuge is connected with concentrated platform, concentrated platform's one end is provided with feed inlet B, it is connected with the rubbish separating centrifuge through feed inlet B, concentrated platform's the other end is connected discharge gate B, and be connected with dehydration platform through discharge gate B, the one end of dehydration platform is provided with feed inlet C, feed inlet C is connected with discharge gate B, the one end of dehydration platform is connected with discharge gate C, and be connected with conveyor through discharge gate C, tail water treatment facilities is installed to one side of dehydration platform.
Furthermore, a waste water port A is arranged on the outer side of the garbage separator, a waste water port B is arranged on the outer side of the concentrating platform, a waste water port C is arranged on the outer side of the dewatering platform, and the waste water port A, the waste water port B and the waste water port C are all connected with a tail water treatment device.
Further, the sand-water separator comprises an output cylinder arranged at the lower end of the sand-water separator and a baffle plate fixedly arranged on the inner wall of the sand-water separator at one end, the baffle plate is arranged at the lower end of the discharge hole A, and a vibrating screen is arranged inside the output cylinder.
Further, the shale shaker is including installing the roller inside the shale shaker and processing the pay-off board at the shale shaker upper surface, and the pay-off board is screen cloth structure's component, the external motor output of roller.
Further, concentrated platform is including setting up at the medicine feed machine A of concentrated platform one end and setting up the hopper at the concentrated platform other end, and conveying pipeline A is installed to one side of medicine feed machine A, and is connected through conveying pipeline A and the feed inlet B of concentrated platform one side, and discharge gate B sets up the lower extreme at the hopper.
Further, the dehydration platform is including setting up dosing machine B in dehydration platform one end and setting up the conveyer belt at the dehydration platform other end, conveying pipeline B is installed to dosing machine B's one end, and is connected with feed inlet C through conveying pipeline B, the lower extreme at discharge gate C and waste water mouth C is installed to the conveyer belt, the dehydration platform passes through the conveyer belt and is connected with conveyor, the component that the conveyer belt was made for the screen cloth structure, the filter-pressing mechanism is installed to the dehydration platform, discharge gate C and waste water mouth C all are connected with the filter-pressing mechanism.
Further, the conveyer belt is including setting up at the inside interior axle of conveyer belt and the extension rod of axle both sides in movable mounting, and the one end fixed mounting of extension rod has the water-stop sheet, and the both ends fixed mounting of water-stop sheet has the water bar, and the water-stop sheet is the component of slope installation, and the outer end setting is in tail water treatment facilities's upper end.
Further, tail water treatment facilities includes the box and sets up the feed inlet D in box one side, and waste water mouth A, waste water mouth B and waste water mouth C all are connected with feed inlet D.
Furthermore, the tail water treatment device also comprises a water tank arranged on one side of the tank body, a photocatalyst filter is arranged in the tank body, and a water outlet valve is arranged at the outer end of the water tank.
Furthermore, the conditioner is arranged inside the dosing machine A, the conditioner is composed of two organic flocculants PAM and thickener carboxymethylcellulose sodium, the curing agent is arranged inside the dosing machine B, and the curing agent is composed of two AS and two MCAS of CAS and MCAS.
The invention provides environment-friendly dredging and solidification modification integrated equipment for dredging sediment, wherein a feed inlet A is arranged at the upper end of a sand-water separator, a cutter suction dredger is externally connected with the feed inlet A, the cutter suction dredger realizes sediment dredging under the condition of not constructing a cofferdam, the disturbance of the traditional water conservancy dredging to a natural water body is avoided, the release of pollutants in the sediment to a non-flowing water body is limited, the comprehensive improvement of the water body environment quality is realized to the maximum extent through the ex-situ treatment of the pollutants in water body sediments, a discharge outlet A is arranged at the outer side of the sand-water separator and is connected with a garbage separator through the discharge outlet A, the sand-water separator can separate sludge and sand, the garbage separator can separate the sludge from garbage, the separation effect is good, the other end of the garbage separator is connected with a concentration platform, one end of the concentration platform is provided with a feed inlet B which is connected with the garbage separator through the feed inlet B, the concentration platform can further concentrate the separated sludge, the solid content of the sludge is improved through concentration, subsequent treatment is facilitated, a conditioner is added into the sludge through a dosing machine A, the conditioner is two types of organic flocculating agents PAM and thickening agent carboxymethyl cellulose sodium, the water holding performance of the sludge is facilitated to be improved, the concentration reduction and the water holding performance enhancement of the sludge are achieved, the other end of the concentration platform is connected with a discharge port B and is connected with the dehydration platform through the discharge port B, one end of the dehydration platform is provided with a feed port C, the feed port C is connected with the discharge port B, one end of the dehydration platform is connected with a discharge port C and is connected with a conveying device through the discharge port C, the dehydration platform can perform dehydration treatment on the concentrated sludge, the dehydration platform can add a curing agent into the sludge through the dosing machine B, and the curing agent is two types of AS and MCAS of CAS and MCAS, and can improve the dehydration performance, the activity of pollutants is reduced, the leaching rate of heavy metals is reduced, the aim of modifying sludge is fulfilled, dehydration and drying are carried out by mechanical filter pressing equipment, the dried sludge cake is transported outside for resource utilization, and the risk of environmental pollution is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a sand-water separator of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic diagram of a thickening platform according to the present invention;
FIG. 5 is a schematic view of the dewatering platform of the present invention;
FIG. 6 is a partial cross-sectional view of a conveyor belt of the present invention;
fig. 7 is a plan view of the tail water treatment apparatus of the present invention.
In the figure: 1. a sand-water separator; 11. a feed inlet A; 12. a discharge hole A; 13. an output drum; 14. a baffle plate; 15. vibrating screen; 151. a roll shaft; 152. a feeding plate; 2. a garbage separator; 21. a waste water port A; 3. a concentration platform; 31. a feed inlet B; 32. a discharge hole B; 33. a waste water port B; 34. a dosing machine A; 35. a delivery pipe A; 36. a hopper; 4. a dewatering platform; 41. a feed inlet C; 42. a discharge port C; 43. a waste water port C; 44. a dosing machine B; 45. a delivery pipe B; 46. a conveyor belt; 461. an inner shaft; 462. an extension pole; 463. a water-stop sheet; 464. a water bar; 47. a filter pressing mechanism; 5. a conveying device; 6. a tail water treatment device; 61. a box body; 62. a feed inlet D; 63. a water tank; 64. a photocatalyst filter; 65. and a water outlet valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 4, 5 and 7, the environment-friendly dredging and solidification modification integrated equipment for dredging sediment comprises a sand-water separator 1, wherein a feed port A11 is arranged at the upper end of the sand-water separator 1, a cutter suction dredger is externally connected with the feed port A11, the cutter suction dredger realizes sediment dredging without constructing a cofferdam, avoids the disturbance of the traditional water conservancy dredging on natural water, limits the release of pollutants in the sediment to non-flowing water, realizes the comprehensive improvement of the water environment quality to the maximum extent through the ex-situ treatment of the pollutants in water sediments, a discharge port A12 is arranged at the outer side of the sand-water separator 1 and is connected with a garbage separator 2 through a discharge port A12, the sand-water separator 1 can separate the sludge and sand, the garbage separator 2 can separate the sludge and garbage, has good separation effect, the other end of the garbage separator 2 is connected with a concentration platform 3, one end of the concentration platform 3 is provided with a feed inlet B31 which is connected with the garbage separator 2 through a feed inlet B31, the concentration platform 3 comprises a dosing machine A34 arranged at one end of the concentration platform 3 and a hopper 36 arranged at the other end of the concentration platform 3, one side of the dosing machine A34 is provided with a feed delivery pipe A35 which is connected with a feed inlet B31 at one side of the concentration platform 3 through a feed delivery pipe A35, a discharge outlet B32 is arranged at the lower end of the hopper 36, the concentration platform 3 can further concentrate the separated sludge, the solid content of the sludge is improved through concentration, the subsequent treatment is convenient, a conditioner is added into the interior through the dosing machine A34, the conditioner is two types of organic PAM and carboxymethyl cellulose sodium, the water holding performance of the bottom sludge is improved, the concentration and reduction of the bottom sludge and the water holding performance are enhanced, the other end of the concentration platform 3 is connected with a discharge outlet B32 and is connected with the dehydration platform 4 through a discharge outlet B32, one end of the dehydration platform 4 is provided with a feed inlet C41, a feed inlet C41 is connected with a discharge outlet B32, one end of the dehydration platform 4 is connected with a discharge outlet C42, the dehydration platform 4 is connected with the conveying device 5 through a discharge outlet C42, the dehydration platform 4 can perform dehydration treatment on the sludge after the concentration is completed, the dehydration platform 4 can put curing agents into the sludge through a medicine adding machine B44, the curing agents are two types of AS and MCAS of CAS and MCAS, the dehydration performance can be improved, the activity of pollutants is reduced, the heavy metal leaching rate is reduced, the sludge modification purpose is achieved, dehydration and drying are performed by mechanical filter pressing equipment, the dried sludge cake is transported outside for resource utilization, and the risk of environmental pollution is reduced.
Referring to fig. 2 and 3, the sand-water separator 1 comprises an output cylinder 13 installed at the lower end of the sand-water separator 1, and a baffle 14 with one end fixedly installed on the inner wall of the sand-water separator 1, sludge containing sand, stone and water enters the sand-water separator 1 through a feed port a11, because the density and gravity of the sand, the water and the sludge are different, the sand, the stone is deposited at the bottommost end of the sand-water separator 1, the water is at the topmost end, the baffle 14 is arranged at the lower end of a discharge port a12, the sand at the bottom of the output cylinder 13 can be prevented from being lifted upwards, the sand at the bottom during the sludge transmission process can be prevented from being transmitted together, a vibrating screen 15 is arranged inside the output cylinder 13, the vibrating screen 15 comprises a roller shaft 151 installed inside the vibrating screen 15, the roller shaft 151 is externally connected with the output end of a motor, the motor is started to work, the vibrating screen 15 starts to vibrate and transmits the sand along a feed plate 152, the feed plate 152 is the component of screen cloth structure, can carry away grit, avoids advancing with the bed mud and mixes, and the exit end of last grit through output section of thick bamboo 13 is arranged the material, and the bed mud suspension in the grit is in the upper end of grit to be in the upper end of baffle 14, discharge silt through discharge gate A12, be convenient for carry out the initial gross separation with grit and bed mud.
Referring to fig. 5 and 6, the dewatering platform 4 includes a dosing machine B44 disposed at one end of the dewatering platform 4 and a conveying belt 46 disposed at the other end of the dewatering platform 4, a material conveying pipe B45 is installed at one end of the dosing machine B44 and connected to a material inlet C41 through a material conveying pipe B45, the conveying belt 46 is installed at the lower ends of a material outlet C42 and a waste water outlet C43, the dewatering platform 4 is further installed with a filter press mechanism 47, the material outlet C42 and the waste water outlet C43 are both connected to the filter press mechanism 47, the sludge is adjusted and then fed to the filter belt built in the filter press mechanism 47 to rotate together with the filter belt, the upper and lower filter belts moving in the same direction are pressed and twisted and rolled, squeezed to dewater, filtrate is intensively discharged from the waste water outlet C43, filter cake is collected from the material outlet C42, the dewatering platform 4 is connected to the conveying device 5 through the conveying belt 46, the conveying belt 46 is a member made of a screen structure, the dewatering platform 4 can discharge the dewatered sludge cake through a material outlet C42, make it drop in the upper end of conveyer belt 46, conveyer belt 46 includes setting up at the inside interior axle 461 of conveyer belt 46 and the extension bar 462 of movable mounting in interior axle 461 both sides, the one end fixed mounting of extension bar 462 has the water stop 463, the both ends fixed mounting of water stop 463 has the water bar 464, water stop 463 is the component of slope installation, and the outer end sets up the upper end at tail water treatment facilities 6, can make it carry out outward through conveyor 5 through the conveying of conveyer belt 46, discharge waste water through waste water mouth C43 simultaneously, waste water falls in the upper end of conveyer belt 46, and run through conveyer belt 46 and transport the inside of tail water treatment facilities along water stop 463, in this process, silt that exists in the waste water is intercepted by conveyer belt 46, make it keep in the upper end of conveyer belt 46, outward transport along with the mud cake, be convenient for the recovery of resource.
Referring to fig. 1 and 7, a waste water port a21 is provided at the outer side of the garbage separator 2, the sludge separated by the sand-water separator 1 is discharged into the garbage separator 2, large droplets fall to the bottom of the garbage separator 2 under the action of gravity due to the difference in density and gravity between the sludge and other substances such as water, the mist-like small droplets are captured and condensed by a built-in screen to form large droplets and fall to the bottom of the garbage separator 2, so that the liquid entrained by the sludge is separated, the separated liquid flows into the tank body 61 through the waste water port a21, thereby completing the separation of impurities, a waste water port B33 is provided at the outer side of the concentration platform 3, a waste water port C43 is provided at the outer side of the dewatering platform 4, the waste water port a21, the waste water port B33 and the waste water port C43 are all connected with the tail water treatment device 6, the tail water treatment device 6 comprises a tank body 61 and a feed port D62 provided at one side of the tank body 61, the waste water port a21, a waste water port B33 and a waste water port C43 are all connected with a feed port D62, tail water treatment facilities 6 is still including setting up the water tank 63 in box 61 one side, garbage separator 2 promptly, the unnecessary waste water of concentrated platform 3 and dehydration platform 4 all collects in box 61, be convenient for carry out concentrated processing to the waste water in each device, avoid the waste water in a confused state of mind to discharge, lead to the polluted environment, water tank 63 is installed to box 61 one side, box 61 is open-air state, and the internally mounted of box 61 has photocatalyst filter 64, the sunlight shines on photocatalyst filter 64 surface, can filter purification to waste water, outlet valve 65 is installed to the outer end of water tank 63, open outlet valve 65, can emit the water after the completion of filtering, be convenient for the reasonable recovery of resource, be convenient for reuse, excellent in use effect.
The working principle is as follows: the upper end of the sand-water separator 1 is provided with a feed port A11, the feed port A11 is externally connected with a cutter suction dredger, the cutter suction dredger realizes sediment dredging under the condition of not constructing a cofferdam, avoids the disturbance of the traditional water conservancy dredging to the natural water body, limits the release of pollutants in the sediment to a non-flowing water body, realizes the comprehensive improvement of the water body environment quality to the maximum extent through the ectopic treatment of the pollutants in the water body sediment, and the sludge containing sand and stone and water enters the sand-water separator 1 through the feed port A11, because the density and the gravity of the sand and the water are different, the sand and the stone are deposited at the bottommost end of the sand-water separator 1, the water is at the topmost end, the baffle plate 14 on the inner wall of the sand-water separator 1 is arranged at the lower end of the discharge port A12, the sand and the sand at the bottom of the output barrel 13 can be blocked and lifted upwards, so that the sand and the sand at the bottom can be prevented from being transmitted together in the sludge transmission process, the vibrating screen 15 is arranged inside the output cylinder 13, the roller shaft 151 is arranged inside the vibrating screen 15, the roller shaft 151 is externally connected with the output end of a motor, the motor is started to work, the vibrating screen 15 starts to vibrate and conveys sand and stone along the feeding plate 152, the feeding plate 152 is a component with a screen structure and can convey the sand and stone away to avoid mixing with bottom mud, finally the sand and stone are discharged through the outlet end of the output cylinder 13, bottom mud in the sand and stone is suspended at the upper end of the sand and stone and is positioned at the upper end of the baffle plate 14, sludge is discharged through the discharge hole A12 to facilitate the primary separation of the sand and the bottom mud, the sludge separated by the sand-water separator 1 is discharged into the garbage separator 2, and due to the difference of density and gravity of the sludge and other substances such as water, large liquid drops fall to the bottom of the garbage separator 2 under the action of gravity, small liquid drops are captured by the built-in wire mesh and condensed into large liquid drops which fall to the bottom of the garbage separator 2, therefore, the liquid carried by the sludge is separated, the separated liquid flows into the box body 61 through the waste water port A21 and can be separated from impurities, the other end of the garbage separator 2 is connected with the concentration platform 3, one end of the concentration platform 3 is provided with the feed port B31 and is connected with the garbage separator 2 through the feed port B31, the concentration platform 3 can further concentrate the separated sludge, the solid content of the sludge is improved through concentration and is convenient for subsequent treatment, a conditioner is added into the sludge through the medicine adding machine A34 and is two kinds of organic flocculant PAM and thickener carboxymethyl cellulose sodium, the water holding performance of the bottom sludge is convenient to improve, the concentration and reduction of the bottom sludge and the water holding performance enhancement are realized, the other end of the concentration platform 3 is connected with the discharge port B32 and is connected with the dewatering platform 4 through the discharge port B32, one end of the dewatering platform 4 is provided with the feed port C41, and the feed port C41 is connected with the discharge port B32, one end of the dehydration platform 4 is connected with a discharge port C42 and is connected with the conveying device 5 through a discharge port C42, the dehydration platform 4 is provided with a filter pressing mechanism 47, the discharge port C42 and the waste water port C43 are both connected with the filter pressing mechanism 47, sludge is adjusted and then is sent to a filter belt arranged in the filter pressing mechanism 47 to rotate along with the filter belt, the filter belt moves in the same direction up and down, the filter belt is pressed, twisted and rolled for extrusion dehydration, filtrate is intensively discharged from the waste water port C43, filter cakes are collected from the discharge port C42, the sludge after the concentration can be dehydrated, the dehydration platform 4 can put curing agents into the sludge through a medicine adding machine B44, the curing agents are two types of CAS and MCAS, the dehydration performance can be improved, the activity of pollutants is reduced, dehydration and drying are carried out by mechanical filter pressing equipment, and the dried sludge is transported outside.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides environment-friendly dredging and solidification modification integrated equipment for dredging sediment, wherein a feed inlet A is arranged at the upper end of a sand-water separator, a cutter suction dredger is externally connected with the feed inlet A, the cutter suction dredger realizes sediment dredging under the condition of not constructing a cofferdam, the disturbance of the traditional water conservancy dredging to a natural water body is avoided, the release of pollutants in the sediment to a non-flowing water body is limited, the comprehensive improvement of the water body environment quality is realized to the maximum extent through the ex-situ treatment of the pollutants in water body sediments, a discharge outlet A is arranged at the outer side of the sand-water separator and is connected with a garbage separator through the discharge outlet A, the sand-water separator can separate sludge and sand, the garbage separator can separate the sludge from garbage, the separation effect is good, the other end of the garbage separator is connected with a concentration platform, one end of the concentration platform is provided with a feed inlet B which is connected with the garbage separator through the feed inlet B, the concentration platform can further concentrate the separated sludge, the solid content of the sludge is improved through concentration, subsequent treatment is facilitated, a conditioner is added into the sludge through a dosing machine A, the conditioner is two types of organic flocculating agents PAM and thickening agent carboxymethyl cellulose sodium, the water holding performance of the sludge is facilitated to be improved, the concentration reduction and the water holding performance enhancement of the sludge are achieved, the other end of the concentration platform is connected with a discharge port B and is connected with the dehydration platform through the discharge port B, one end of the dehydration platform is provided with a feed port C, the feed port C is connected with the discharge port B, one end of the dehydration platform is connected with a discharge port C and is connected with a conveying device through the discharge port C, the dehydration platform can perform dehydration treatment on the concentrated sludge, the dehydration platform can add a curing agent into the sludge through the dosing machine B, and the curing agent is two types of AS and MCAS of CAS and MCAS, and can improve the dehydration performance, the activity of pollutants is reduced, the leaching rate of heavy metals is reduced, the aim of modifying sludge is fulfilled, dehydration and drying are carried out by mechanical filter pressing equipment, the dried sludge cake is transported outside for resource utilization, and the risk of environmental pollution is reduced.
2. The invention provides environment-friendly dredging and curing modification integrated equipment for dredging sediment, wherein an output cylinder is arranged at the lower end of a sand-water separator, a baffle plate is arranged on the inner wall of the sand-water separator and is arranged at the lower end of a discharge hole A to block sand and stone at the bottom of the output cylinder from being lifted upwards and prevent the sand and stone at the bottom from being conveyed into the output cylinder together in the process of sludge conveying, a vibrating screen is arranged inside the output cylinder, a feeding plate is arranged on the upper surface of the vibrating screen and is a component with a screen structure, the sand and stone can be conveyed away and prevented from being mixed with the sediment, a roller shaft is arranged inside the vibrating screen, the roller shaft is externally connected with the output end of a motor, the motor is started to work, the vibrating screen starts to vibrate and conveys the sand and stone upwards, and the sand and the sediment are convenient to separate.
3. The invention provides environment-friendly dredging and curing modification integrated equipment for dredged sediment, which is characterized in that a dewatering platform is connected with a conveying device through a conveying belt, the conveying belt is a component made of a screen structure, the conveying belt is arranged at the lower ends of a discharge port C and a waste water port C, the dewatering platform can discharge dewatered mud cakes through the discharge port C and enable the mud cakes to fall at the upper end of the conveying belt, the mud cakes can be transported out through the conveying device through the conveying of the conveying belt, meanwhile, the waste water is discharged through the waste water port C, the waste water falls at the upper end of the conveying belt and is transported to the interior of a tail gas treatment device along a water-stop plate after penetrating through the conveying belt, and in the process, sludge existing in the waste water is intercepted by the conveying belt and is stored at the upper end of the conveying belt and transported out along with the mud cakes, so that resources can be conveniently recovered.
4. The invention provides environment-friendly dredging and solidification modification integrated equipment for dredged sediment, which is characterized in that a feed inlet D is arranged on one side of a box body, a waste water port A, a waste water port B and a waste water port C are all connected with the feed inlet D, namely, redundant waste water of a garbage separator, a concentration platform and a dehydration platform is collected in the box body, so that the waste water in each device can be conveniently treated in a centralized manner, the waste water is prevented from being discharged randomly and polluting the environment, a water tank is arranged on one side of the box body, a photocatalyst filter is arranged in the box body and can be used for filtering and purifying the waste water, a water outlet valve is arranged at the outer end of the water tank and can be opened to discharge the filtered water, so that resources can be conveniently and reasonably recovered, the reuse is facilitated, and the use effect is good.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. Dredged sediment environmental protection is dredged and is modified integration equipment with solidification, including sand-water separator (1), its characterized in that: the upper end of the sand-water separator (1) is provided with a feed inlet A (11), the feed inlet A (11) is externally connected with a cutter suction type suction dredger, the outer side of the sand-water separator (1) is provided with a discharge outlet A (12) and is connected with the garbage separator (2) through the discharge outlet A (12), the other end of the garbage separator (2) is connected with a concentration platform (3), one end of the concentration platform (3) is provided with a feed inlet B (31) which is connected with the garbage separator (2) through the feed inlet B (31), the other end of the concentration platform (3) is connected with a discharge outlet B (32) and is connected with the dehydration platform (4) through the discharge outlet B (32), one end of the dehydration platform (4) is provided with a feed inlet C (41), the feed inlet C (41) is connected with the discharge outlet B (32), one end of the dehydration platform (4) is connected with a discharge outlet C (42) and is connected with the conveying device (5) through the discharge outlet C (42), one side of the dehydration platform (4) is provided with a tail water treatment device (6).
2. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: a waste water port A (21) is arranged on the outer side of the garbage separator (2), a waste water port B (33) is arranged on the outer side of the concentration platform (3), a waste water port C (43) is arranged on the outer side of the dehydration platform (4), and the waste water port A (21), the waste water port B (33) and the waste water port C (43) are all connected with a tail water treatment device (6).
3. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: the sand-water separator (1) comprises an output cylinder (13) arranged at the lower end of the sand-water separator (1) and a baffle (14) with one end fixedly arranged on the inner wall of the sand-water separator (1), the baffle (14) is arranged at the lower end of a discharge hole A (12), and a vibrating screen (15) is arranged inside the output cylinder (13).
4. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 3, wherein: the vibrating screen (15) comprises a roller shaft (151) arranged inside the vibrating screen (15) and a feeding plate (152) processed on the upper surface of the vibrating screen (15), the feeding plate (152) is a component of a screen mesh structure, and the roller shaft (151) is externally connected with an output end of a motor.
5. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: concentrated platform (3) are including setting up dosing machine A (34) and hopper (36) of setting at the concentrated platform (3) other end at concentrated platform (3) one end, and conveying pipeline A (35) are installed to one side of dosing machine A (34), and are connected with feed inlet B (31) of concentrated platform (3) one side through conveying pipeline A (35), and discharge gate B (32) set up the lower extreme at hopper (36).
6. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: dehydration platform (4) is including setting up dosing machine B (44) and the conveyer belt (46) of setting at the dehydration platform (4) other end at dehydration platform (4) one end, conveying pipeline B (45) are installed to the one end of dosing machine B (44), and be connected with feed inlet C (41) through conveying pipeline B (45), the lower extreme at discharge gate C (42) and waste water mouth C (43) is installed in conveyer belt (46), dehydration platform (4) are connected with conveyor (5) through conveyer belt (46), the component that conveyer belt (46) were made for the screen cloth structure, filter pressing mechanism (47) are installed to dehydration platform (4), discharge gate C (42) and waste water mouth C (43) all are connected with filter pressing mechanism (47).
7. The dredged sediment environment-friendly dredging and solidification modification integrated equipment of claim 6, which is characterized in that: the conveying belt (46) comprises an inner shaft (461) arranged inside the conveying belt (46) and extension rods (462) movably arranged on two sides of the inner shaft (461), a water stop plate (463) is fixedly arranged at one end of each extension rod (462), water retaining strips (464) are fixedly arranged at two ends of each water stop plate (463), each water stop plate (463) is a component obliquely arranged, and the outer end of each water stop plate is arranged at the upper end of the tail water treatment device (6).
8. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: the tail water treatment device (6) comprises a box body (61) and a feed inlet D (62) arranged on one side of the box body (61), and a waste water port A (21), a waste water port B (33) and a waste water port C (43) are all connected with the feed inlet D (62).
9. The dredged sediment environment-friendly dredging and solidification modification integrated equipment as claimed in claim 1, wherein: the tail water treatment device (6) further comprises a water tank (63) arranged on one side of the tank body (61), a photocatalyst filter (64) is arranged inside the tank body (61), and a water outlet valve (65) is arranged at the outer end of the water tank (63).
10. The dredged sediment environment-friendly dredging and solidification modification integrated equipment of claim 5, wherein: the inside of the medicine adding machine A (34) is a conditioner, the conditioner is two kinds of organic flocculating agents PAM and thickener carboxymethylcellulose sodium, the inside of the medicine adding machine B (44) is a curing agent, and the curing agent is two kinds of CAS and MCAS.
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Application publication date: 20211015 |